1 /*
2 * WPA Supplicant - Glue code to setup EAPOL and RSN modules
3 * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "includes.h"
10
11 #include "common.h"
12 #include "eapol_supp/eapol_supp_sm.h"
13 #include "eap_peer/eap.h"
14 #include "rsn_supp/wpa.h"
15 #include "eloop.h"
16 #include "config.h"
17 #include "l2_packet/l2_packet.h"
18 #include "common/wpa_common.h"
19 #include "common/ptksa_cache.h"
20 #include "wpa_supplicant_i.h"
21 #include "driver_i.h"
22 #include "rsn_supp/pmksa_cache.h"
23 #include "sme.h"
24 #include "common/ieee802_11_defs.h"
25 #include "common/wpa_ctrl.h"
26 #include "wpas_glue.h"
27 #include "wps_supplicant.h"
28 #include "bss.h"
29 #include "scan.h"
30 #include "notify.h"
31 #include "wpas_kay.h"
32
33
34 #ifndef CONFIG_NO_CONFIG_BLOBS
35 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
wpa_supplicant_set_config_blob(void *ctx, struct wpa_config_blob *blob)36 static void wpa_supplicant_set_config_blob(void *ctx,
37 struct wpa_config_blob *blob)
38 {
39 struct wpa_supplicant *wpa_s = ctx;
40 wpa_config_set_blob(wpa_s->conf, blob);
41 if (wpa_s->conf->update_config) {
42 int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
43 if (ret) {
44 wpa_printf(MSG_DEBUG, "Failed to update config after "
45 "blob set");
46 }
47 }
48 }
49
50
51 static const struct wpa_config_blob *
wpa_supplicant_get_config_blob(void *ctx, const char *name)52 wpa_supplicant_get_config_blob(void *ctx, const char *name)
53 {
54 struct wpa_supplicant *wpa_s = ctx;
55 return wpa_config_get_blob(wpa_s->conf, name);
56 }
57 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
58 #endif /* CONFIG_NO_CONFIG_BLOBS */
59
60
61 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type, const void *data, u16 data_len, size_t *msg_len, void **data_pos)62 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
63 const void *data, u16 data_len,
64 size_t *msg_len, void **data_pos)
65 {
66 struct ieee802_1x_hdr *hdr;
67
68 *msg_len = sizeof(*hdr) + data_len;
69 hdr = os_malloc(*msg_len);
70 if (hdr == NULL)
71 return NULL;
72
73 hdr->version = wpa_s->conf->eapol_version;
74 hdr->type = type;
75 hdr->length = host_to_be16(data_len);
76
77 if (data)
78 os_memcpy(hdr + 1, data, data_len);
79 else
80 os_memset(hdr + 1, 0, data_len);
81
82 if (data_pos)
83 *data_pos = hdr + 1;
84
85 return (u8 *) hdr;
86 }
87
88
89 /**
90 * wpa_ether_send - Send Ethernet frame
91 * @wpa_s: Pointer to wpa_supplicant data
92 * @dest: Destination MAC address
93 * @proto: Ethertype in host byte order
94 * @buf: Frame payload starting from IEEE 802.1X header
95 * @len: Frame payload length
96 * Returns: >=0 on success, <0 on failure
97 */
wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest, u16 proto, const u8 *buf, size_t len)98 int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
99 u16 proto, const u8 *buf, size_t len)
100 {
101 #ifdef CONFIG_TESTING_OPTIONS
102 if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
103 size_t hex_len = 2 * len + 1;
104 char *hex = os_malloc(hex_len);
105
106 if (hex == NULL)
107 return -1;
108 wpa_snprintf_hex(hex, hex_len, buf, len);
109 wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
110 MAC2STR(dest), hex);
111 os_free(hex);
112 return 0;
113 }
114 #endif /* CONFIG_TESTING_OPTIONS */
115
116 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_CONTROL_PORT) {
117 int encrypt = wpa_s->wpa &&
118 wpa_sm_has_ptk_installed(wpa_s->wpa);
119
120 return wpa_drv_tx_control_port(wpa_s, dest, proto, buf, len,
121 !encrypt);
122 }
123
124 #ifndef CONFIG_DRIVER_HDF
125 if (wpa_s->l2) {
126 return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
127 }
128
129 return -1;
130 #else
131 return wpa_drv_send_eapol(wpa_s, dest, proto, buf,len);
132 #endif
133 }
134 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
135
136
137 #ifdef IEEE8021X_EAPOL
138
139 /**
140 * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
141 * @ctx: Pointer to wpa_supplicant data (wpa_s)
142 * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
143 * @buf: EAPOL payload (after IEEE 802.1X header)
144 * @len: EAPOL payload length
145 * Returns: >=0 on success, <0 on failure
146 *
147 * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
148 * to the current Authenticator.
149 */
wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf, size_t len)150 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
151 size_t len)
152 {
153 struct wpa_supplicant *wpa_s = ctx;
154 u8 *msg, *dst, bssid[ETH_ALEN];
155 size_t msglen;
156 int res;
157
158 /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
159 * extra copy here */
160
161 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
162 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
163 wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
164 wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
165 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
166 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
167 * machines. */
168 wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
169 "mode (type=%d len=%lu)", type,
170 (unsigned long) len);
171 return -1;
172 }
173
174 if (pmksa_cache_get_current(wpa_s->wpa) &&
175 type == IEEE802_1X_TYPE_EAPOL_START) {
176 /*
177 * We were trying to use PMKSA caching and sending EAPOL-Start
178 * would abort that and trigger full EAPOL authentication.
179 * However, we've already waited for the AP/Authenticator to
180 * start 4-way handshake or EAP authentication, and apparently
181 * it has not done so since the startWhen timer has reached zero
182 * to get the state machine sending EAPOL-Start. This is not
183 * really supposed to happen, but an interoperability issue with
184 * a deployed AP has been identified where the connection fails
185 * due to that AP failing to operate correctly if PMKID is
186 * included in the Association Request frame. To work around
187 * this, assume PMKSA caching failed and try to initiate full
188 * EAP authentication.
189 */
190 if (!wpa_s->current_ssid ||
191 wpa_s->current_ssid->eap_workaround) {
192 wpa_printf(MSG_DEBUG,
193 "RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication");
194 } else {
195 wpa_printf(MSG_DEBUG,
196 "RSN: PMKSA caching - do not send EAPOL-Start");
197 return -1;
198 }
199 }
200
201 if (is_zero_ether_addr(wpa_s->bssid)) {
202 wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
203 "EAPOL frame");
204 if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
205 !is_zero_ether_addr(bssid)) {
206 dst = bssid;
207 wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR_SEC
208 " from the driver as the EAPOL destination",
209 MAC2STR_SEC(dst));
210 } else {
211 dst = wpa_s->last_eapol_src;
212 wpa_printf(MSG_DEBUG, "Using the source address of the"
213 " last received EAPOL frame " MACSTR_SEC " as "
214 "the EAPOL destination",
215 MAC2STR_SEC(dst));
216 }
217 } else {
218 /* BSSID was already set (from (Re)Assoc event, so use it as
219 * the EAPOL destination. */
220 dst = wpa_s->bssid;
221 }
222
223 msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
224 if (msg == NULL)
225 return -1;
226
227 wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR_SEC, MAC2STR_SEC(dst));
228 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
229 res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
230 os_free(msg);
231 return res;
232 }
233
234
235 #ifdef CONFIG_WEP
236 /**
237 * wpa_eapol_set_wep_key - set WEP key for the driver
238 * @ctx: Pointer to wpa_supplicant data (wpa_s)
239 * @unicast: 1 = individual unicast key, 0 = broadcast key
240 * @keyidx: WEP key index (0..3)
241 * @key: Pointer to key data
242 * @keylen: Key length in bytes
243 * Returns: 0 on success or < 0 on error.
244 */
wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx, const u8 *key, size_t keylen)245 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
246 const u8 *key, size_t keylen)
247 {
248 struct wpa_supplicant *wpa_s = ctx;
249 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
250 int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
251 WPA_CIPHER_WEP104;
252 if (unicast)
253 wpa_s->pairwise_cipher = cipher;
254 else
255 wpa_s->group_cipher = cipher;
256 }
257 return wpa_drv_set_key(wpa_s,
258 #ifdef CONFIG_MLD_PATCH
259 -1,
260 #endif
261 WPA_ALG_WEP,
262 unicast ? wpa_s->bssid : NULL,
263 keyidx, unicast, NULL, 0, key, keylen,
264 unicast ? KEY_FLAG_PAIRWISE_RX_TX :
265 KEY_FLAG_GROUP_RX_TX_DEFAULT);
266 }
267 #endif /* CONFIG_WEP */
268
269
wpa_supplicant_aborted_cached(void *ctx)270 static void wpa_supplicant_aborted_cached(void *ctx)
271 {
272 struct wpa_supplicant *wpa_s = ctx;
273 wpa_sm_aborted_cached(wpa_s->wpa);
274 }
275
276
result_str(enum eapol_supp_result result)277 static const char * result_str(enum eapol_supp_result result)
278 {
279 switch (result) {
280 case EAPOL_SUPP_RESULT_FAILURE:
281 return "FAILURE";
282 case EAPOL_SUPP_RESULT_SUCCESS:
283 return "SUCCESS";
284 case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
285 return "EXPECTED_FAILURE";
286 }
287 return "?";
288 }
289
290
wpa_supplicant_eapol_cb(struct eapol_sm *eapol, enum eapol_supp_result result, void *ctx)291 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
292 enum eapol_supp_result result,
293 void *ctx)
294 {
295 struct wpa_supplicant *wpa_s = ctx;
296 int res, pmk_len;
297 u8 pmk[PMK_LEN];
298
299 wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
300 result_str(result));
301
302 if (wpas_wps_eapol_cb(wpa_s) > 0)
303 return;
304
305 wpa_s->eap_expected_failure = result ==
306 EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
307
308 if (result != EAPOL_SUPP_RESULT_SUCCESS) {
309 /*
310 * Make sure we do not get stuck here waiting for long EAPOL
311 * timeout if the AP does not disconnect in case of
312 * authentication failure.
313 */
314 wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
315 } else {
316 ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
317 }
318
319 if (result != EAPOL_SUPP_RESULT_SUCCESS ||
320 !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
321 return;
322
323 if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
324 return;
325
326 wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
327 "handshake");
328
329 pmk_len = PMK_LEN;
330 if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
331 #ifdef CONFIG_IEEE80211R
332 u8 buf[2 * PMK_LEN];
333 wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
334 "driver-based 4-way hs and FT");
335 res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
336 if (res == 0) {
337 os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
338 os_memset(buf, 0, sizeof(buf));
339 }
340 #else /* CONFIG_IEEE80211R */
341 res = -1;
342 #endif /* CONFIG_IEEE80211R */
343 } else {
344 res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
345 if (res) {
346 /*
347 * EAP-LEAP is an exception from other EAP methods: it
348 * uses only 16-byte PMK.
349 */
350 res = eapol_sm_get_key(eapol, pmk, 16);
351 pmk_len = 16;
352 }
353 }
354
355 if (res) {
356 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
357 "machines");
358 return;
359 }
360
361 wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
362 "handshake", pmk, pmk_len);
363
364 if (wpa_drv_set_key(wpa_s,
365 #ifdef CONFIG_MLD_PATCH
366 -1,
367 #endif
368 0, NULL, 0, 0, NULL, 0, pmk,
369 pmk_len, KEY_FLAG_PMK)) {
370 wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
371 }
372
373 wpa_supplicant_cancel_scan(wpa_s);
374 wpa_supplicant_cancel_auth_timeout(wpa_s);
375 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
376
377 }
378
379
wpa_supplicant_notify_eapol_done(void *ctx)380 static void wpa_supplicant_notify_eapol_done(void *ctx)
381 {
382 struct wpa_supplicant *wpa_s = ctx;
383 wpa_msg(wpa_s, MSG_INFO, "WPA: EAPOL processing complete");
384 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
385 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
386 } else {
387 wpa_supplicant_cancel_auth_timeout(wpa_s);
388 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
389 }
390 }
391
392 #endif /* IEEE8021X_EAPOL */
393
394
395 #ifndef CONFIG_NO_WPA
396
wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)397 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
398 {
399 int ret = 0;
400 struct wpa_bss *curr = NULL, *bss;
401 struct wpa_ssid *ssid = wpa_s->current_ssid;
402 const u8 *ie;
403
404 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
405 if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
406 continue;
407 if (ssid == NULL ||
408 ((bss->ssid_len == ssid->ssid_len &&
409 os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
410 ssid->ssid_len == 0)) {
411 curr = bss;
412 break;
413 }
414 #ifdef CONFIG_OWE
415 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
416 (bss->flags & WPA_BSS_OWE_TRANSITION)) {
417 curr = bss;
418 break;
419 }
420 #endif /* CONFIG_OWE */
421 }
422
423 if (curr) {
424 ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
425 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
426 ret = -1;
427
428 ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
429 if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
430 ret = -1;
431
432 ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX);
433 if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
434 ret = -1;
435 } else {
436 ret = -1;
437 }
438
439 return ret;
440 }
441
442
wpa_supplicant_get_beacon_ie(void *ctx)443 static int wpa_supplicant_get_beacon_ie(void *ctx)
444 {
445 struct wpa_supplicant *wpa_s = ctx;
446 if (wpa_get_beacon_ie(wpa_s) == 0) {
447 return 0;
448 }
449
450 /* No WPA/RSN IE found in the cached scan results. Try to get updated
451 * scan results from the driver. */
452 if (wpa_supplicant_update_scan_results(wpa_s) < 0)
453 return -1;
454
455 return wpa_get_beacon_ie(wpa_s);
456 }
457
458
_wpa_alloc_eapol(void *wpa_s, u8 type, const void *data, u16 data_len, size_t *msg_len, void **data_pos)459 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
460 const void *data, u16 data_len,
461 size_t *msg_len, void **data_pos)
462 {
463 return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
464 }
465
466
_wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto, const u8 *buf, size_t len)467 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
468 const u8 *buf, size_t len)
469 {
470 return wpa_ether_send(wpa_s, dest, proto, buf, len);
471 }
472
473
_wpa_supplicant_cancel_auth_timeout(void *wpa_s)474 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
475 {
476 wpa_supplicant_cancel_auth_timeout(wpa_s);
477 }
478
479
_wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)480 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
481 {
482 wpa_supplicant_set_state(wpa_s, state);
483 }
484
485
486 /**
487 * wpa_supplicant_get_state - Get the connection state
488 * @wpa_s: Pointer to wpa_supplicant data
489 * Returns: The current connection state (WPA_*)
490 */
wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)491 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
492 {
493 return wpa_s->wpa_state;
494 }
495
496
_wpa_supplicant_get_state(void *wpa_s)497 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
498 {
499 return wpa_supplicant_get_state(wpa_s);
500 }
501
502
_wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)503 static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
504 {
505 wpa_supplicant_deauthenticate(wpa_s, reason_code);
506 /* Schedule a scan to make sure we continue looking for networks */
507 wpa_supplicant_req_scan(wpa_s, 5, 0);
508 }
509
510
_wpa_supplicant_reconnect(void *wpa_s)511 static void _wpa_supplicant_reconnect(void *wpa_s)
512 {
513 wpa_supplicant_reconnect(wpa_s);
514 }
515
516
wpa_supplicant_get_network_ctx(void *wpa_s)517 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
518 {
519 return wpa_supplicant_get_ssid(wpa_s);
520 }
521
522
wpa_supplicant_get_bssid(void *ctx, u8 *bssid)523 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
524 {
525 struct wpa_supplicant *wpa_s = ctx;
526 return wpa_drv_get_bssid(wpa_s, bssid);
527 }
528
529
wpa_supplicant_set_key(void *_wpa_s, int link_id, enum wpa_alg alg, const u8 *addr, int key_idx, int set_tx, const u8 *seq, size_t seq_len, const u8 *key, size_t key_len, enum key_flag key_flag)530 static int wpa_supplicant_set_key(void *_wpa_s,
531 #ifdef CONFIG_MLD_PATCH
532 int link_id,
533 #endif
534 enum wpa_alg alg,
535 const u8 *addr, int key_idx, int set_tx,
536 const u8 *seq, size_t seq_len,
537 const u8 *key, size_t key_len,
538 enum key_flag key_flag)
539 {
540 struct wpa_supplicant *wpa_s = _wpa_s;
541 if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
542 /* Clear the MIC error counter when setting a new PTK. */
543 wpa_s->mic_errors_seen = 0;
544 }
545 #ifdef CONFIG_TESTING_GET_GTK
546 if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
547 alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
548 os_memcpy(wpa_s->last_gtk, key, key_len);
549 wpa_s->last_gtk_len = key_len;
550 }
551 #endif /* CONFIG_TESTING_GET_GTK */
552 #ifdef CONFIG_TESTING_OPTIONS
553 if (addr && !is_broadcast_ether_addr(addr) &&
554 !(key_flag & KEY_FLAG_MODIFY)) {
555 wpa_s->last_tk_alg = alg;
556 os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
557 wpa_s->last_tk_key_idx = key_idx;
558 if (key)
559 os_memcpy(wpa_s->last_tk, key, key_len);
560 wpa_s->last_tk_len = key_len;
561 }
562 #endif /* CONFIG_TESTING_OPTIONS */
563 return wpa_drv_set_key(wpa_s,
564 #ifdef CONFIG_MLD_PATCH
565 link_id,
566 #endif
567 alg, addr, key_idx, set_tx, seq, seq_len,
568 key, key_len, key_flag);
569 }
570
571
wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr, int protection_type, int key_type)572 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
573 int protection_type,
574 int key_type)
575 {
576 return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
577 key_type);
578 }
579
580
wpas_get_network_ctx(struct wpa_supplicant *wpa_s, void *network_ctx)581 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
582 void *network_ctx)
583 {
584 struct wpa_ssid *ssid;
585
586 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
587 if (network_ctx == ssid)
588 return ssid;
589 }
590
591 return NULL;
592 }
593
594
wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx, const u8 *bssid, const u8 *pmkid, const u8 *fils_cache_id, const u8 *pmk, size_t pmk_len, u32 pmk_lifetime, u8 pmk_reauth_threshold, int akmp)595 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
596 const u8 *bssid, const u8 *pmkid,
597 const u8 *fils_cache_id,
598 const u8 *pmk, size_t pmk_len,
599 u32 pmk_lifetime, u8 pmk_reauth_threshold,
600 int akmp)
601 {
602 struct wpa_supplicant *wpa_s = _wpa_s;
603 struct wpa_ssid *ssid;
604 struct wpa_pmkid_params params;
605
606 os_memset(¶ms, 0, sizeof(params));
607 ssid = wpas_get_network_ctx(wpa_s, network_ctx);
608 if (ssid) {
609 wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
610 MAC2STR(bssid), ssid->id);
611 if ((akmp == WPA_KEY_MGMT_FT_IEEE8021X ||
612 akmp == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) &&
613 !ssid->ft_eap_pmksa_caching) {
614 /* Since we will not be using PMKSA caching for FT-EAP
615 * within wpa_supplicant to avoid known interop issues
616 * with APs, do not add this PMKID to the driver either
617 * so that we won't be hitting those interop issues
618 * with driver-based RSNE generation. */
619 wpa_printf(MSG_DEBUG,
620 "FT: Do not add PMKID entry to the driver since FT-EAP PMKSA caching is not enabled in configuration");
621 return 0;
622 }
623 }
624 if (ssid && fils_cache_id) {
625 params.ssid = ssid->ssid;
626 params.ssid_len = ssid->ssid_len;
627 params.fils_cache_id = fils_cache_id;
628 } else {
629 params.bssid = bssid;
630 }
631
632 params.pmkid = pmkid;
633 params.pmk = pmk;
634 params.pmk_len = pmk_len;
635 params.pmk_lifetime = pmk_lifetime;
636 params.pmk_reauth_threshold = pmk_reauth_threshold;
637
638 return wpa_drv_add_pmkid(wpa_s, ¶ms);
639 }
640
641
wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx, const u8 *bssid, const u8 *pmkid, const u8 *fils_cache_id)642 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
643 const u8 *bssid, const u8 *pmkid,
644 const u8 *fils_cache_id)
645 {
646 struct wpa_supplicant *wpa_s = _wpa_s;
647 struct wpa_ssid *ssid;
648 struct wpa_pmkid_params params;
649
650 os_memset(¶ms, 0, sizeof(params));
651 ssid = wpas_get_network_ctx(wpa_s, network_ctx);
652 if (ssid)
653 wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
654 MAC2STR(bssid), ssid->id);
655 if (ssid && fils_cache_id) {
656 params.ssid = ssid->ssid;
657 params.ssid_len = ssid->ssid_len;
658 params.fils_cache_id = fils_cache_id;
659 } else {
660 params.bssid = bssid;
661 }
662
663 params.pmkid = pmkid;
664
665 return wpa_drv_remove_pmkid(wpa_s, ¶ms);
666 }
667
668
669 #ifdef CONFIG_IEEE80211R
wpa_supplicant_update_ft_ies(void *ctx, const u8 *md, const u8 *ies, size_t ies_len)670 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
671 const u8 *ies, size_t ies_len)
672 {
673 struct wpa_supplicant *wpa_s = ctx;
674 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
675 return sme_update_ft_ies(wpa_s, md, ies, ies_len);
676 return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
677 }
678
679
wpa_supplicant_send_ft_action(void *ctx, u8 action, const u8 *target_ap, const u8 *ies, size_t ies_len)680 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
681 const u8 *target_ap,
682 const u8 *ies, size_t ies_len)
683 {
684 struct wpa_supplicant *wpa_s = ctx;
685 int ret;
686 u8 *data, *pos;
687 size_t data_len;
688
689 if (action != 1) {
690 wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
691 action);
692 return -1;
693 }
694
695 /*
696 * Action frame payload:
697 * Category[1] = 6 (Fast BSS Transition)
698 * Action[1] = 1 (Fast BSS Transition Request)
699 * STA Address
700 * Target AP Address
701 * FT IEs
702 */
703
704 data_len = 2 + 2 * ETH_ALEN + ies_len;
705 data = os_malloc(data_len);
706 if (data == NULL)
707 return -1;
708 pos = data;
709 *pos++ = 0x06; /* FT Action category */
710 *pos++ = action;
711 os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
712 pos += ETH_ALEN;
713 os_memcpy(pos, target_ap, ETH_ALEN);
714 pos += ETH_ALEN;
715 os_memcpy(pos, ies, ies_len);
716
717 ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
718 wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
719 data, data_len, 0);
720 os_free(data);
721
722 return ret;
723 }
724
725
wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)726 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
727 {
728 struct wpa_supplicant *wpa_s = ctx;
729 struct wpa_driver_auth_params params;
730 struct wpa_bss *bss;
731
732 bss = wpa_bss_get_bssid(wpa_s, target_ap);
733 if (bss == NULL)
734 return -1;
735
736 os_memset(¶ms, 0, sizeof(params));
737 params.bssid = target_ap;
738 params.freq = bss->freq;
739 params.ssid = bss->ssid;
740 params.ssid_len = bss->ssid_len;
741 params.auth_alg = WPA_AUTH_ALG_FT;
742 params.local_state_change = 1;
743 return wpa_drv_authenticate(wpa_s, ¶ms);
744 }
745 #endif /* CONFIG_IEEE80211R */
746
747
748 #ifdef CONFIG_TDLS
749
wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported, int *tdls_ext_setup, int *tdls_chan_switch)750 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
751 int *tdls_ext_setup,
752 int *tdls_chan_switch)
753 {
754 struct wpa_supplicant *wpa_s = ctx;
755
756 *tdls_supported = 0;
757 *tdls_ext_setup = 0;
758 *tdls_chan_switch = 0;
759
760 if (!wpa_s->drv_capa_known)
761 return -1;
762
763 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
764 *tdls_supported = 1;
765
766 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
767 *tdls_ext_setup = 1;
768
769 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
770 *tdls_chan_switch = 1;
771
772 return 0;
773 }
774
775
wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capab, int initiator, const u8 *buf, size_t len)776 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
777 u8 action_code, u8 dialog_token,
778 u16 status_code, u32 peer_capab,
779 int initiator, const u8 *buf,
780 size_t len)
781 {
782 struct wpa_supplicant *wpa_s = ctx;
783 return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
784 status_code, peer_capab, initiator, buf,
785 len);
786 }
787
788
wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)789 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
790 {
791 struct wpa_supplicant *wpa_s = ctx;
792 return wpa_drv_tdls_oper(wpa_s, oper, peer);
793 }
794
795
wpa_supplicant_tdls_peer_addset( void *ctx, const u8 *peer, int add, u16 aid, u16 capability, const u8 *supp_rates, size_t supp_rates_len, const struct ieee80211_ht_capabilities *ht_capab, const struct ieee80211_vht_capabilities *vht_capab, const struct ieee80211_he_capabilities *he_capab, size_t he_capab_len, const struct ieee80211_he_6ghz_band_cap *he_6ghz_he_capab, u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len, const u8 *supp_channels, size_t supp_channels_len, const u8 *supp_oper_classes, size_t supp_oper_classes_len)796 static int wpa_supplicant_tdls_peer_addset(
797 void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
798 const u8 *supp_rates, size_t supp_rates_len,
799 const struct ieee80211_ht_capabilities *ht_capab,
800 const struct ieee80211_vht_capabilities *vht_capab,
801 const struct ieee80211_he_capabilities *he_capab,
802 size_t he_capab_len,
803 const struct ieee80211_he_6ghz_band_cap *he_6ghz_he_capab,
804 u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
805 const u8 *supp_channels, size_t supp_channels_len,
806 const u8 *supp_oper_classes, size_t supp_oper_classes_len)
807 {
808 struct wpa_supplicant *wpa_s = ctx;
809 struct hostapd_sta_add_params params;
810
811 os_memset(¶ms, 0, sizeof(params));
812
813 params.addr = peer;
814 params.aid = aid;
815 params.capability = capability;
816 params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
817
818 /*
819 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
820 * present. Allow the WMM IE to also indicate QoS support.
821 */
822 if (wmm || qosinfo)
823 params.flags |= WPA_STA_WMM;
824
825 params.ht_capabilities = ht_capab;
826 params.vht_capabilities = vht_capab;
827 params.he_capab = he_capab;
828 params.he_capab_len = he_capab_len;
829 params.he_6ghz_capab = he_6ghz_he_capab;
830 params.qosinfo = qosinfo;
831 params.listen_interval = 0;
832 params.supp_rates = supp_rates;
833 params.supp_rates_len = supp_rates_len;
834 params.set = !add;
835 params.ext_capab = ext_capab;
836 params.ext_capab_len = ext_capab_len;
837 params.supp_channels = supp_channels;
838 params.supp_channels_len = supp_channels_len;
839 params.supp_oper_classes = supp_oper_classes;
840 params.supp_oper_classes_len = supp_oper_classes_len;
841
842 return wpa_drv_sta_add(wpa_s, ¶ms);
843 }
844
845
wpa_supplicant_tdls_enable_channel_switch( void *ctx, const u8 *addr, u8 oper_class, const struct hostapd_freq_params *params)846 static int wpa_supplicant_tdls_enable_channel_switch(
847 void *ctx, const u8 *addr, u8 oper_class,
848 const struct hostapd_freq_params *params)
849 {
850 struct wpa_supplicant *wpa_s = ctx;
851
852 return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
853 params);
854 }
855
856
wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)857 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
858 {
859 struct wpa_supplicant *wpa_s = ctx;
860
861 return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
862 }
863
864 #endif /* CONFIG_TDLS */
865
866 #endif /* CONFIG_NO_WPA */
867
868
wpa_supplicant_ctrl_req_from_string(const char *field)869 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
870 {
871 if (os_strcmp(field, "IDENTITY") == 0)
872 return WPA_CTRL_REQ_EAP_IDENTITY;
873 else if (os_strcmp(field, "PASSWORD") == 0)
874 return WPA_CTRL_REQ_EAP_PASSWORD;
875 else if (os_strcmp(field, "NEW_PASSWORD") == 0)
876 return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
877 else if (os_strcmp(field, "PIN") == 0)
878 return WPA_CTRL_REQ_EAP_PIN;
879 else if (os_strcmp(field, "OTP") == 0)
880 return WPA_CTRL_REQ_EAP_OTP;
881 else if (os_strcmp(field, "PASSPHRASE") == 0)
882 return WPA_CTRL_REQ_EAP_PASSPHRASE;
883 else if (os_strcmp(field, "SIM") == 0)
884 return WPA_CTRL_REQ_SIM;
885 else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
886 return WPA_CTRL_REQ_PSK_PASSPHRASE;
887 else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
888 return WPA_CTRL_REQ_EXT_CERT_CHECK;
889 return WPA_CTRL_REQ_UNKNOWN;
890 }
891
892
wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field, const char *default_txt, const char **txt)893 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
894 const char *default_txt,
895 const char **txt)
896 {
897 const char *ret = NULL;
898
899 *txt = default_txt;
900
901 switch (field) {
902 case WPA_CTRL_REQ_EAP_IDENTITY:
903 *txt = "Identity";
904 ret = "IDENTITY";
905 break;
906 case WPA_CTRL_REQ_EAP_PASSWORD:
907 *txt = "Password";
908 ret = "PASSWORD";
909 break;
910 case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
911 *txt = "New Password";
912 ret = "NEW_PASSWORD";
913 break;
914 case WPA_CTRL_REQ_EAP_PIN:
915 *txt = "PIN";
916 ret = "PIN";
917 break;
918 case WPA_CTRL_REQ_EAP_OTP:
919 ret = "OTP";
920 break;
921 case WPA_CTRL_REQ_EAP_PASSPHRASE:
922 *txt = "Private key passphrase";
923 ret = "PASSPHRASE";
924 break;
925 case WPA_CTRL_REQ_SIM:
926 ret = "SIM";
927 break;
928 case WPA_CTRL_REQ_PSK_PASSPHRASE:
929 *txt = "PSK or passphrase";
930 ret = "PSK_PASSPHRASE";
931 break;
932 case WPA_CTRL_REQ_EXT_CERT_CHECK:
933 *txt = "External server certificate validation";
934 ret = "EXT_CERT_CHECK";
935 break;
936 default:
937 break;
938 }
939
940 /* txt needs to be something */
941 if (*txt == NULL) {
942 wpa_printf(MSG_WARNING, "No message for request %d", field);
943 ret = NULL;
944 }
945
946 return ret;
947 }
948
949
wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, const char *field_name, const char *txt)950 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
951 const char *field_name, const char *txt)
952 {
953 char *buf;
954 size_t buflen;
955 int len;
956
957 buflen = 100 + os_strlen(txt) + ssid->ssid_len;
958 buf = os_malloc(buflen);
959 if (buf == NULL)
960 return;
961 len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ",
962 field_name, ssid->id, txt);
963 if (os_snprintf_error(buflen, len)) {
964 os_free(buf);
965 return;
966 }
967 if (ssid->ssid && buflen > len + ssid->ssid_len) {
968 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
969 len += ssid->ssid_len;
970 buf[len] = '\0';
971 }
972 buf[buflen - 1] = '\0';
973 wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf);
974 os_free(buf);
975 }
976
977
978 #ifdef IEEE8021X_EAPOL
979 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
wpa_supplicant_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field, const char *default_txt)980 static void wpa_supplicant_eap_param_needed(void *ctx,
981 enum wpa_ctrl_req_type field,
982 const char *default_txt)
983 {
984 struct wpa_supplicant *wpa_s = ctx;
985 struct wpa_ssid *ssid = wpa_s->current_ssid;
986 const char *field_name, *txt = NULL;
987
988 if (ssid == NULL)
989 return;
990
991 if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
992 ssid->eap.pending_ext_cert_check = PENDING_CHECK;
993 wpas_notify_network_request(wpa_s, ssid, field, default_txt);
994
995 field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
996 &txt);
997 if (field_name == NULL) {
998 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
999 field);
1000 return;
1001 }
1002
1003 wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
1004
1005 wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
1006 }
1007 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
1008 #define wpa_supplicant_eap_param_needed NULL
1009 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
1010
1011
1012 #ifdef CONFIG_EAP_PROXY
1013
wpa_supplicant_eap_proxy_cb(void *ctx)1014 static void wpa_supplicant_eap_proxy_cb(void *ctx)
1015 {
1016 struct wpa_supplicant *wpa_s = ctx;
1017 size_t len;
1018
1019 wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
1020 wpa_s->imsi, &len);
1021 if (wpa_s->mnc_len > 0) {
1022 wpa_s->imsi[len] = '\0';
1023 wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
1024 wpa_s->imsi, wpa_s->mnc_len);
1025 } else {
1026 wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
1027 }
1028 }
1029
1030
wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)1031 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
1032 {
1033 int i;
1034 struct wpa_ssid *ssid;
1035 const struct eap_method_type *eap_methods;
1036
1037 if (!wpa_s->conf)
1038 return;
1039
1040 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1041 eap_methods = ssid->eap.eap_methods;
1042 if (!eap_methods)
1043 continue;
1044
1045 for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
1046 if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
1047 (eap_methods[i].method == EAP_TYPE_SIM ||
1048 eap_methods[i].method == EAP_TYPE_AKA ||
1049 eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
1050 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
1051 break;
1052 }
1053 }
1054 }
1055 }
1056
1057
1058 static void
wpa_supplicant_eap_proxy_notify_sim_status(void *ctx, enum eap_proxy_sim_state sim_state)1059 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
1060 enum eap_proxy_sim_state sim_state)
1061 {
1062 struct wpa_supplicant *wpa_s = ctx;
1063
1064 wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
1065 switch (sim_state) {
1066 case SIM_STATE_ERROR:
1067 wpa_sm_sim_state_error_handler(wpa_s);
1068 break;
1069 default:
1070 wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
1071 break;
1072 }
1073 }
1074
1075 #endif /* CONFIG_EAP_PROXY */
1076
1077
wpa_supplicant_port_cb(void *ctx, int authorized)1078 static void wpa_supplicant_port_cb(void *ctx, int authorized)
1079 {
1080 struct wpa_supplicant *wpa_s = ctx;
1081 #ifdef CONFIG_AP
1082 if (wpa_s->ap_iface) {
1083 wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
1084 "port status: %s",
1085 authorized ? "Authorized" : "Unauthorized");
1086 return;
1087 }
1088 #endif /* CONFIG_AP */
1089 wpa_printf(MSG_EXCESSIVE, "EAPOL: Supplicant port status: %s",
1090 authorized ? "Authorized" : "Unauthorized");
1091 wpa_drv_set_supp_port(wpa_s, authorized);
1092 }
1093
1094
wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert, const char *cert_hash)1095 static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
1096 const char *cert_hash)
1097 {
1098 struct wpa_supplicant *wpa_s = ctx;
1099
1100 wpas_notify_certification(wpa_s, cert, cert_hash);
1101 }
1102
1103
wpa_supplicant_status_cb(void *ctx, const char *status, const char *parameter)1104 static void wpa_supplicant_status_cb(void *ctx, const char *status,
1105 const char *parameter)
1106 {
1107 struct wpa_supplicant *wpa_s = ctx;
1108
1109 wpas_notify_eap_status(wpa_s, status, parameter);
1110 }
1111
1112
wpa_supplicant_eap_error_cb(void *ctx, int error_code)1113 static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1114 {
1115 struct wpa_supplicant *wpa_s = ctx;
1116
1117 wpas_notify_eap_error(wpa_s, error_code);
1118 }
1119
1120
wpa_supplicant_eap_auth_start_cb(void *ctx)1121 static int wpa_supplicant_eap_auth_start_cb(void *ctx)
1122 {
1123 struct wpa_supplicant *wpa_s = ctx;
1124
1125 if (!wpa_s->new_connection && wpa_s->deny_ptk0_rekey &&
1126 !wpa_sm_ext_key_id_active(wpa_s->wpa)) {
1127 wpa_msg(wpa_s, MSG_INFO,
1128 "WPA: PTK0 rekey not allowed, reconnecting");
1129 wpa_supplicant_reconnect(wpa_s);
1130 return -1;
1131 }
1132 return 0;
1133 }
1134
1135
wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)1136 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1137 {
1138 struct wpa_supplicant *wpa_s = ctx;
1139 char *str;
1140 int res;
1141
1142 wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1143 id, len);
1144
1145 if (wpa_s->current_ssid == NULL)
1146 return;
1147
1148 if (id == NULL) {
1149 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1150 "NULL", 0) < 0)
1151 return;
1152 } else {
1153 str = os_malloc(len * 2 + 1);
1154 if (str == NULL)
1155 return;
1156 wpa_snprintf_hex(str, len * 2 + 1, id, len);
1157 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1158 str, 0);
1159 os_free(str);
1160 if (res < 0)
1161 return;
1162 }
1163
1164 if (wpa_s->conf->update_config) {
1165 res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1166 if (res) {
1167 wpa_printf(MSG_DEBUG, "Failed to update config after "
1168 "anonymous_id update");
1169 }
1170 }
1171 }
1172 #endif /* IEEE8021X_EAPOL */
1173
1174
wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)1175 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1176 {
1177 #ifdef IEEE8021X_EAPOL
1178 struct eapol_ctx *ctx;
1179 ctx = os_zalloc(sizeof(*ctx));
1180 if (ctx == NULL) {
1181 wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1182 return -1;
1183 }
1184
1185 ctx->ctx = wpa_s;
1186 ctx->msg_ctx = wpa_s;
1187 ctx->eapol_send_ctx = wpa_s;
1188 ctx->preauth = 0;
1189 ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1190 ctx->eapol_send = wpa_supplicant_eapol_send;
1191 #ifdef CONFIG_WEP
1192 ctx->set_wep_key = wpa_eapol_set_wep_key;
1193 #endif /* CONFIG_WEP */
1194 #ifndef CONFIG_NO_CONFIG_BLOBS
1195 ctx->set_config_blob = wpa_supplicant_set_config_blob;
1196 ctx->get_config_blob = wpa_supplicant_get_config_blob;
1197 #endif /* CONFIG_NO_CONFIG_BLOBS */
1198 ctx->aborted_cached = wpa_supplicant_aborted_cached;
1199 #ifndef CONFIG_OPENSC_ENGINE_PATH
1200 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1201 #endif /* CONFIG_OPENSC_ENGINE_PATH */
1202 #ifndef CONFIG_PKCS11_ENGINE_PATH
1203 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1204 #endif /* CONFIG_PKCS11_ENGINE_PATH */
1205 #ifndef CONFIG_PKCS11_MODULE_PATH
1206 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1207 #endif /* CONFIG_PKCS11_MODULE_PATH */
1208 ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1209 ctx->wps = wpa_s->wps;
1210 ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1211 #ifdef CONFIG_EAP_PROXY
1212 ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1213 ctx->eap_proxy_notify_sim_status =
1214 wpa_supplicant_eap_proxy_notify_sim_status;
1215 #endif /* CONFIG_EAP_PROXY */
1216 ctx->port_cb = wpa_supplicant_port_cb;
1217 ctx->cb = wpa_supplicant_eapol_cb;
1218 ctx->cert_cb = wpa_supplicant_cert_cb;
1219 ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1220 ctx->status_cb = wpa_supplicant_status_cb;
1221 ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1222 ctx->confirm_auth_cb = wpa_supplicant_eap_auth_start_cb;
1223 ctx->set_anon_id = wpa_supplicant_set_anon_id;
1224 ctx->cb_ctx = wpa_s;
1225 wpa_s->eapol = eapol_sm_init(ctx);
1226 if (wpa_s->eapol == NULL) {
1227 os_free(ctx);
1228 wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1229 "machines.");
1230 return -1;
1231 }
1232 #endif /* IEEE8021X_EAPOL */
1233
1234 return 0;
1235 }
1236
1237
1238 #ifndef CONFIG_NO_WPA
1239
wpa_supplicant_set_rekey_offload(void *ctx, const u8 *kek, size_t kek_len, const u8 *kck, size_t kck_len, const u8 *replay_ctr)1240 static void wpa_supplicant_set_rekey_offload(void *ctx,
1241 const u8 *kek, size_t kek_len,
1242 const u8 *kck, size_t kck_len,
1243 const u8 *replay_ctr)
1244 {
1245 struct wpa_supplicant *wpa_s = ctx;
1246
1247 wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1248 }
1249
1250
wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk, size_t pmk_len)1251 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1252 size_t pmk_len)
1253 {
1254 struct wpa_supplicant *wpa_s = ctx;
1255
1256 if (wpa_s->conf->key_mgmt_offload &&
1257 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1258 return wpa_drv_set_key(wpa_s,
1259 #ifdef CONFIG_MLD_PATCH
1260 -1,
1261 #endif
1262 0, NULL, 0, 0,
1263 NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
1264 else
1265 return 0;
1266 }
1267
1268
wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src, const u8 *pkt, size_t pkt_len)1269 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1270 const u8 *pkt, size_t pkt_len)
1271 {
1272 struct wpa_supplicant *wpa_s = ctx;
1273 char *hex;
1274 size_t hexlen;
1275
1276 hexlen = pkt_len * 2 + 1;
1277 hex = os_malloc(hexlen);
1278 if (!hex)
1279 return;
1280 wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1281 wpa_msg_only_for_cb(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1282 " frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1283 wpa_printf(MSG_INFO, FILS_HLP_RX "dst=" MACSTR_SEC " src=" MACSTR_SEC
1284 " frame=%s", MAC2STR_SEC(dst), MAC2STR_SEC(src), hex);
1285 os_free(hex);
1286 }
1287
1288
wpa_supplicant_channel_info(void *_wpa_s, struct wpa_channel_info *ci)1289 static int wpa_supplicant_channel_info(void *_wpa_s,
1290 struct wpa_channel_info *ci)
1291 {
1292 struct wpa_supplicant *wpa_s = _wpa_s;
1293
1294 return wpa_drv_channel_info(wpa_s, ci);
1295 }
1296
1297
disable_wpa_wpa2(struct wpa_ssid *ssid)1298 static void disable_wpa_wpa2(struct wpa_ssid *ssid)
1299 {
1300 ssid->proto &= ~WPA_PROTO_WPA;
1301 ssid->proto |= WPA_PROTO_RSN;
1302 ssid->key_mgmt &= ~(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
1303 WPA_KEY_MGMT_PSK_SHA256);
1304 ssid->group_cipher &= ~WPA_CIPHER_TKIP;
1305 if (!(ssid->group_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1306 WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)))
1307 ssid->group_cipher |= WPA_CIPHER_CCMP;
1308 ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
1309 }
1310
1311
wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)1312 static void wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)
1313 {
1314 struct wpa_supplicant *wpa_s = _wpa_s;
1315 struct wpa_ssid *ssid;
1316 int changed = 0;
1317
1318 wpa_msg(wpa_s, MSG_INFO, TRANSITION_DISABLE "%02x", bitmap);
1319
1320 ssid = wpa_s->current_ssid;
1321 if (!ssid)
1322 return;
1323
1324 #ifdef CONFIG_SAE
1325 if ((bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) &&
1326 wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1327 (ssid->key_mgmt & (WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE)) &&
1328 (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1329 (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1330 wpa_printf(MSG_DEBUG,
1331 "WPA3-Personal transition mode disabled based on AP notification");
1332 disable_wpa_wpa2(ssid);
1333 changed = 1;
1334 }
1335
1336 if ((bitmap & TRANSITION_DISABLE_SAE_PK) &&
1337 wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
1338 #ifdef CONFIG_SME
1339 wpa_s->sme.sae.state == SAE_ACCEPTED &&
1340 wpa_s->sme.sae.pk &&
1341 #endif /* CONFIG_SME */
1342 (ssid->key_mgmt & (WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE)) &&
1343 (ssid->sae_pk != SAE_PK_MODE_ONLY ||
1344 ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1345 (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1346 wpa_printf(MSG_DEBUG,
1347 "SAE-PK: SAE authentication without PK disabled based on AP notification");
1348 disable_wpa_wpa2(ssid);
1349 ssid->sae_pk = SAE_PK_MODE_ONLY;
1350 changed = 1;
1351 }
1352 #endif /* CONFIG_SAE */
1353
1354 if ((bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) &&
1355 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
1356 (ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X |
1357 WPA_KEY_MGMT_FT_IEEE8021X |
1358 WPA_KEY_MGMT_IEEE8021X_SHA256)) &&
1359 (ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
1360 (ssid->group_cipher & WPA_CIPHER_TKIP))) {
1361 disable_wpa_wpa2(ssid);
1362 changed = 1;
1363 }
1364
1365 if ((bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) &&
1366 wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
1367 (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
1368 !ssid->owe_only) {
1369 ssid->owe_only = 1;
1370 changed = 1;
1371 }
1372
1373 if (!changed)
1374 return;
1375
1376 #ifndef CONFIG_NO_CONFIG_WRITE
1377 if (wpa_s->conf->update_config &&
1378 wpa_config_write(wpa_s->confname, wpa_s->conf))
1379 wpa_printf(MSG_DEBUG, "Failed to update configuration");
1380 #endif /* CONFIG_NO_CONFIG_WRITE */
1381 }
1382
1383
wpa_supplicant_store_ptk(void *ctx, u8 *addr, int cipher, u32 life_time, const struct wpa_ptk *ptk)1384 static void wpa_supplicant_store_ptk(void *ctx, u8 *addr, int cipher,
1385 u32 life_time, const struct wpa_ptk *ptk)
1386 {
1387 struct wpa_supplicant *wpa_s = ctx;
1388
1389 ptksa_cache_add(wpa_s->ptksa, addr, cipher, life_time, ptk);
1390 }
1391
1392 #endif /* CONFIG_NO_WPA */
1393
1394
wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)1395 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1396 {
1397 #ifndef CONFIG_NO_WPA
1398 struct wpa_sm_ctx *ctx;
1399
1400 wpa_s->ptksa = ptksa_cache_init();
1401 if (!wpa_s->ptksa) {
1402 wpa_printf(MSG_ERROR, "Failed to allocate PTKSA");
1403 return -1;
1404 }
1405
1406 ctx = os_zalloc(sizeof(*ctx));
1407 if (ctx == NULL) {
1408 wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1409
1410 ptksa_cache_deinit(wpa_s->ptksa);
1411 wpa_s->ptksa = NULL;
1412
1413 return -1;
1414 }
1415
1416 ctx->ctx = wpa_s;
1417 ctx->msg_ctx = wpa_s;
1418 ctx->set_state = _wpa_supplicant_set_state;
1419 ctx->get_state = _wpa_supplicant_get_state;
1420 ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1421 ctx->reconnect = _wpa_supplicant_reconnect;
1422 ctx->set_key = wpa_supplicant_set_key;
1423 ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1424 ctx->get_bssid = wpa_supplicant_get_bssid;
1425 ctx->ether_send = _wpa_ether_send;
1426 ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1427 ctx->alloc_eapol = _wpa_alloc_eapol;
1428 ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1429 ctx->add_pmkid = wpa_supplicant_add_pmkid;
1430 ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1431 #ifndef CONFIG_NO_CONFIG_BLOBS
1432 ctx->set_config_blob = wpa_supplicant_set_config_blob;
1433 ctx->get_config_blob = wpa_supplicant_get_config_blob;
1434 #endif /* CONFIG_NO_CONFIG_BLOBS */
1435 ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1436 #ifdef CONFIG_IEEE80211R
1437 ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1438 ctx->send_ft_action = wpa_supplicant_send_ft_action;
1439 ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1440 #endif /* CONFIG_IEEE80211R */
1441 #ifdef CONFIG_TDLS
1442 ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1443 ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1444 ctx->tdls_oper = wpa_supplicant_tdls_oper;
1445 ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1446 ctx->tdls_enable_channel_switch =
1447 wpa_supplicant_tdls_enable_channel_switch;
1448 ctx->tdls_disable_channel_switch =
1449 wpa_supplicant_tdls_disable_channel_switch;
1450 #endif /* CONFIG_TDLS */
1451 ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1452 ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1453 ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1454 ctx->channel_info = wpa_supplicant_channel_info;
1455 ctx->transition_disable = wpa_supplicant_transition_disable;
1456 ctx->store_ptk = wpa_supplicant_store_ptk;
1457
1458 wpa_s->wpa = wpa_sm_init(ctx);
1459 if (wpa_s->wpa == NULL) {
1460 wpa_printf(MSG_ERROR,
1461 "Failed to initialize WPA state machine");
1462 os_free(ctx);
1463 ptksa_cache_deinit(wpa_s->ptksa);
1464 wpa_s->ptksa = NULL;
1465 return -1;
1466 }
1467 #endif /* CONFIG_NO_WPA */
1468
1469 return 0;
1470 }
1471
1472
wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)1473 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1474 struct wpa_ssid *ssid)
1475 {
1476 struct rsn_supp_config conf;
1477 if (ssid) {
1478 os_memset(&conf, 0, sizeof(conf));
1479 conf.network_ctx = ssid;
1480 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1481 #ifdef IEEE8021X_EAPOL
1482 conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1483 wpa_s->conf->okc : ssid->proactive_key_caching;
1484 conf.eap_workaround = ssid->eap_workaround;
1485 conf.eap_conf_ctx = &ssid->eap;
1486 #endif /* IEEE8021X_EAPOL */
1487 conf.ssid = ssid->ssid;
1488 conf.ssid_len = ssid->ssid_len;
1489 conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1490 conf.wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
1491 conf.owe_ptk_workaround = ssid->owe_ptk_workaround;
1492 #ifdef CONFIG_P2P
1493 if (ssid->p2p_group && wpa_s->current_bss &&
1494 !wpa_s->p2p_disable_ip_addr_req) {
1495 struct wpabuf *p2p;
1496 p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1497 P2P_IE_VENDOR_TYPE);
1498 if (p2p) {
1499 u8 group_capab;
1500 group_capab = p2p_get_group_capab(p2p);
1501 if (group_capab &
1502 P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1503 conf.p2p = 1;
1504 wpabuf_free(p2p);
1505 }
1506 }
1507 #endif /* CONFIG_P2P */
1508 conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1509 #ifdef CONFIG_FILS
1510 if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1511 conf.fils_cache_id =
1512 wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1513 #endif /* CONFIG_FILS */
1514 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION) ||
1515 (wpa_s->drv_flags2 &
1516 WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT))
1517 conf.beacon_prot = ssid->beacon_prot;
1518
1519 #ifdef CONFIG_PASN
1520 #ifdef CONFIG_TESTING_OPTIONS
1521 conf.force_kdk_derivation = wpa_s->conf->force_kdk_derivation;
1522 #endif /* CONFIG_TESTING_OPTIONS */
1523 #endif /* CONFIG_PASN */
1524 }
1525 wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1526 }
1527